(Commercial Drivers License Information System) Search of database maintained by the American Association of Motor Vehicle Administrators to ensure single license issuance nationwide. Enables employers to comply with Federal Motor Carrier Safety Administration (FMCSA) requirements and helps eliminate a candidate who does not hold a valid Commercial Drivers license. This search provides name, DOB, S.S. # match, AKA information, present jurisdictional state and license number and up to three previously held CDL numbers.